/Engine/Plugins/Online/OnlineSubsystemUtils/Source/OnlineSubsystemUtils/Public/SpectatorBeaconHost.h
Attempts to add a spectator reservation to the beacon
add attempt result
virtual [ESpectatorReservationResult::Type](API\Plugins\OnlineSubsystemUtils\ESpectatorReservationResult__Typ-) AddSpectatorReservation ( const [FSpectatorReservation](API\Plugins\OnlineSubsystemUtils\FSpectatorReservation) & ReservationRequest )